My wife having allergic snoozing, itching on face...

Dear Customer
Welcome, and thank you for trusting us
Regarding your question
How to diagnose the cause  of allergic snoozing, itching on face and eyes and skin itching?
There are many causes and those include:
Allergy,
Dermatological disease
Side effects of drugs
Systemic illness
Local infection
 
What tests should you do ?
CBC, ESR, CRP, RF, AST, ALT, creatinin, urea
 
 
How to manage this allergy?
avoid itching or scrubbing dry skin patches
use a humidifier in your home
drink plenty of water
If there is itching and wide space of skin rash in this case you need to use dexamethasone injection and also you need to use topical hydrocortisone 1%
I also recommend to use antihistamine medications like fexofenadin120mg  to easen symptoms.
if you have a systemic disease causing itching you should see an internist
What is my advice to you ?
you need to consult and internist or immunology and allergy doctor to help you and to follow up treatment
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